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put this solution on YOUR website!Well, this one works out kind of funny, but it works out. First, write the equations from the info given. Thus we have
L = 3M
C = L - 16
L = 2(M + C)
Now substitute into that third equation values for M and C to get
L = 2[(L/3) + (L - 16)]
L = (8/3)L - 32 and
(-5/3)L = -32 so that
L = 96/5 = 19.2 yrs From that
C = 16/5 = 3.2 yrs and
M = 32/5 = 6.4 yrs